CN103517420A - Method for configuring resources and receiving downlink control information and terminal equipment - Google Patents
Method for configuring resources and receiving downlink control information and terminal equipment Download PDFInfo
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- CN103517420A CN103517420A CN201210197831.3A CN201210197831A CN103517420A CN 103517420 A CN103517420 A CN 103517420A CN 201210197831 A CN201210197831 A CN 201210197831A CN 103517420 A CN103517420 A CN 103517420A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/18—Interfaces between hierarchically similar devices between terminal devices
Abstract
The embodiment of the invention relates to a method for configuring resources and receiving downlink control information and terminal equipment. The method for configuring narrowband downlink transmission channel resources comprises the following steps: a narrowband downlink transmission channel resource is divided from downlink data channel resources of a system such that MTC UE receives downlink control information or downlink data information through the narrowband downlink transmission channel resource; and the narrowband downlink transmission channel resource is divided into a physical downlink data channel resource and a plurality of enhanced physical downlink control channel resources, wherein the plurality of enhanced physical downlink control channel resources together control the physical downlink data channel resource. According to the embodiment of the invention, MTC UE base band costs are further reduced on the precondition that MTC UE capacity is not limited.
Description
Technical field
The present invention relates to communication technical field, particularly, relate to the method and communicator, the method and apparatus of transmission Downlink Control Information and method and the terminal equipment that receives Downlink Control Information that are applied to the configuration arrowband descending transmission channel resource in machine type communication (MTC, Machine Type Communication) business.
Background technology
MTC business in life application and the communications field is becoming more and more universal, and market is in continuous expansion.A lot of machine type communication subscriber equipmenies (MTC UE, Machine Type Communication User Equipment) are low cost terminals, and towards low data-rate applications.Therefore global system for mobile communications (GSM, Global System of Mobile communication) or general packet radio service technology (GPRS, General Packet Radio Service) network can be runed MTC UE well at present.
Because MTC business is more and more, in the coming years, MTC UE likely reaches 10 times of normal users equipment (UE, User Equipment), thereby causes MTC constantly to increase the dependence of GSM/GPRS network.Meanwhile, along with the development of Long Term Evolution (LTE, Long Term Evolution), operator wishes to reduce wireless access technology (RAT, Radio Access Technology), and then reduce the maintenance cost of whole network, and improve frequency spectrum service efficiency and value.As can be seen here, provide low-cost MTC UE based on LTE network to become to make MTC user to be ready necessary condition from GSM/GPRS network migration to LTE network.
Known, the baseband bandwidth (bandwidth) that reduction MTC UE can support is a kind of effective ways of the MTC of reduction UE cost.Meanwhile, the number of users that LTE network can be supported (being capacity) is directly limited to system bandwidth, is wherein mainly limited to the bandwidth that control channel (Physical Downlink Control Channel for example strengthening) is used.
So, how under the not limited prerequisite of MTC UE capacity, further reduce MTC UE base band expense and become problem demanding prompt solution guaranteeing.
Summary of the invention
The embodiment of the present invention has proposed method and the communicator of configurating downlink transmission channel resources, receive method and the terminal equipment of Downlink Control Information, and the method and apparatus of transmission Downlink Control Information, be intended to solve and guaranteeing, under the not limited prerequisite of MTC UE capacity, how further to reduce the problem of MTC UE base band expense.
On the one hand, a kind of method that configures arrowband descending transmission channel resource has been proposed, comprise: in system descending data channel resource, divide Yi Ge arrowband descending transmission channel resource, so that MTC UE receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource; By described arrowband descending transmission channel resource division, be the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.
On the other hand, a kind of method that receives Downlink Control Information has been proposed, comprise: the Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings in MTCUE arrowband descending transmission channel resource is by the control information of random access radio network temporary mark scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings; In the Physical Downlink Control Channel resource of the enhancing at the described control information place that described MTC UE measures in blind check, receive Downlink Control Information.
On the other hand, a kind of method of transmitting Downlink Control Information has been proposed, comprise: in the Physical Downlink Control Channel resource of a plurality of enhancings, to MTC UE, send the Downlink Control Information with system information Radio Network Temporary Identifier or the scrambling of pager wireless net network temporary mark, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.
On the other hand, a kind of communicator that configures arrowband descending transmission channel resource has been proposed, comprise: the first dispensing unit, for dividing Yi Ge arrowband descending transmission channel resource in system descending data channel resource, so that MTC UE receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource; The second dispensing unit, for being the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings by described arrowband descending transmission channel resource division, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.
On the other hand, a kind of terminal equipment has been proposed, comprise: blind Detecting unit, be used for the Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings in MTCUE arrowband descending transmission channel resource by the control information of random access radio network temporary mark scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings; Receiving element, the Physical Downlink Control Channel resource of the enhancing at the described control information place measuring in blind check for described MTC UE receives Downlink Control Information.
On the other hand, a kind of device that transmits Downlink Control Information has been proposed, comprise: the first transmitting element, for the Physical Downlink Control Channel resource in a plurality of enhancings, to MTC UE, send the Downlink Control Information with system information Radio Network Temporary Identifier or the scrambling of pager wireless net network temporary mark, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, an and physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.
Hence one can see that, adopt the configuration mode of the arrowband descending transmission channel resource of the embodiment of the present invention, guaranteeing under the not limited prerequisite of MTC UE capacity, owing to further arrowband descending transmission channel resource being marked to the Physical Downlink Control Channel resource of a plurality of enhancings, for different MTC UE groups, use, an and physical down data channel resource of the common use of the Physical Downlink Control Channel resource of these a plurality of enhancings, Base-Band Processing complexity in the time of can reducing MTC UE transmission Downlink Control Information, thereby base band expense while further reducing MTC UE transmission Downlink Control Information.
At this, it should be noted that, the arrowband descending transmission channel resource is here narrow with respect to the bandwidth of the bandwidth ratio system descending data channel resource of system descending data channel resource Er Yan，Ji arrowband descending transmission channel resource.Be appreciated that, along with the bandwidth of the system descending data channel resource of communication network constantly promotes, low generation the system descending data channel resource of communication network with respect to height, for the system descending data channel resource of communication network, be also a kind of arrowband descending transmission channel resource.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention be briefly described below, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the flow chart of the method for the configuration arrowband descending transmission channel resource of the embodiment of the present invention.
Fig. 2 is according to the structural representation of the descending transmission channel of the MTC UE of the specific embodiment of the invention.
Fig. 3 is according to the flow chart of the method for the reception Downlink Control Information of the embodiment of the present invention.
Fig. 4 is according to the flow chart of the method for the transmission Downlink Control Information of the embodiment of the present invention.
Fig. 5 is according to the structural representation of the communicator of the configuration arrowband descending transmission channel resource of the embodiment of the present invention.
Fig. 6 is according to the structural representation of the terminal equipment of the reception Downlink Control Information of the embodiment of the present invention.
Fig. 7 is according to the structural representation of the device of the transmission Downlink Control Information of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.
Technical scheme of the present invention, can be applied to various communication systems, for example: global system for mobile communications (GSM, Global System of Mobile communication), code division multiple access (CDMA, Code Division Multiple Access) system, Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband Code Division Multiple Access Wireless), GPRS (GPRS, General Packet Radio Service), Long Term Evolution (LTE, Long Term Evolution) etc.
Subscriber equipment (UE, User Equipment) also can be referred to as mobile terminal (Mobile Terminal), mobile subscriber equipment etc., can be through wireless access network (for example, RAN, Radio Access Network) communicate with one or more core net, subscriber equipment can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with there is the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted, they and wireless access network exchange language and/or data.
Base station, can be GSM or CDMA Zhong base station (BTS, Base Transceiver Station), can be also WCDMA Zhong base station (Node B), can also be the evolved base station (eNB or e-NodeB, evolutional Node B) in LTE.For convenience of description, the embodiment of the present invention be take LTE and is described as example.
The embodiment of the present invention has proposed the method for configuration arrowband descending transmission channel, as shown in Figure 1, comprises the steps.
11, in system descending data channel resource, divide Yi Ge arrowband descending transmission channel resource, so that MTC UE receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource.
12, by described arrowband descending transmission channel resource division, be the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.
Wherein, the part that the frequency domain bandwidth of arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.The transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each here, is at least 2 Physical Resource Block.
Thus, shortcoming in view of prior art, the embodiment of the present invention has proposed to divide a GeMTCUE arrowband descending transmission channel resource in system descending data channel resource, and be the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings by described MTCUE arrowband descending transmission channel resource division, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.The Physical Downlink Control Channel resource division of the enhancing in JiangMTCUE arrowband descending transmission channel resource becomes the Physical Downlink Control Channel resource of the enhancing that a plurality of bandwidth are less, thereby further reduce the bandwidth of MTC UE when downgoing baseband is processed, further to reduce MTC UE Base-Band Processing complexity (being expense).
As shown in Figure 2, the narrow band bandwidth of supposing MTC UE is that 3MHz(is corresponding to the transmission bandwidth of 15 PRB), here, 8 PRB are used as the physical down data channel resource of all MTC UE, 7 PRB are as the Physical Downlink Control Channel resource strengthening, wherein the Physical Downlink Control Channel resource of the enhancing of these 7 PRB is become the Physical Downlink Control Channel resource 1(of the narrower enhancing of 3 bandwidth corresponding to the transmission bandwidth of 2 PRB by Further Division), the Physical Downlink Control Channel resource 2(strengthening is corresponding to the transmission bandwidth of 2 PRB) and the Physical Downlink Control Channel resource 3(of enhancing corresponding to the transmission bandwidth of 3 PRB).
The distribution of PRB number of transmission bandwidth that should be understood that the Physical Downlink Control Channel resource of different enhancings can be combination in any, but the minimum transmission bandwidth allowing should not be less than 2 PRB.The number of the Physical Downlink Control Channel resource of the enhancing that bandwidth is narrower can be also arbitrarily, but should be no less than 2.
If different MTC UE can be divided into different MTC UE groups again, and a MTC UE organizes the Physical Downlink Control Channel resource of only using an enhancing.In the example of Fig. 2, MTC UE has been divided into 3 MTC UE groups, wherein MTC UE group 1 can be used the Physical Downlink Control Channel resource 1 of enhancing, MTC UE group 2 can be used the Physical Downlink Control Channel resource 2 of enhancing, and MTC UE group 3 can be used the Physical Downlink Control Channel resource 3 of enhancing.
Again for example, the narrow band bandwidth of supposing MTC UE is that 3MHz(is corresponding to the transmission bandwidth of 15 PRB), here, 4 PRB are as the physical down data channel resource of all MTC UE, and the Physical Downlink Control Channel resource correspondingly strengthening can be divided into the Physical Downlink Control Channel resource (the Physical Downlink Control Channel resource 1 for example strengthening is to the Physical Downlink Control Channel resource 5 strengthening) of the narrower enhancing of 5 bandwidth.Wherein, the Physical Downlink Control Channel resource 1 of enhancing respectively takies 2 PRB to the Physical Downlink Control Channel resource 4 strengthening, and the Physical Downlink Control Channel resource 5 of enhancing takies 3 PRB.
Again for example, the narrow band bandwidth of supposing MTC UE is that 3MHz(is corresponding to the transmission bandwidth of 15 PRB), here, 6 PRB are as the physical down data channel resource of all MTC UE, and the Physical Downlink Control Channel resource correspondingly strengthening can be divided into the Physical Downlink Control Channel resource (the Physical Downlink Control Channel resource 1 for example strengthening is to the Physical Downlink Control Channel resource 4 strengthening) of the narrower enhancing of 4 bandwidth.Wherein, the Physical Downlink Control Channel resource 1 of enhancing respectively takies 2 PRB to the Physical Downlink Control Channel resource 3 strengthening, and the Physical Downlink Control Channel resource 3 of enhancing takies 3 PRB.
Again for example, the narrow band bandwidth of supposing MTC UE is that 5MHz(is corresponding to the transmission bandwidth of 25 PRB), here, in the narrow band bandwidth of 5MHz, there is the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings, the same physical down data channel of the Physical Downlink Control Channel resource co-controlling resource of the plurality of enhancing.Wherein, physical down data channel resource can take 4,6,8,10 PRB, and 2 PRB of the Physical Downlink Control Channel resource occupation of each enhancing or 3 PRB.
As can be seen here; the arrowband descending transmission channel resource forming as the embodiment of the present invention so only takies a pair of boundary belt; and traditional data channels resource is only existed once and cut apart, and the impact therefore the resource continuous dispensing mode of system data channel resource being produced is very little.
In addition, at MTC UE and eNB, according to configuring with upper type after the physical down transmission channel resources of arrowband, just can utilize arrowband descending transmission channel resource for transmitting Downlink Control Information between MTC UE and eNB.
The embodiment of the present invention has proposed the method for the reception Downlink Control Information of MTC UE side thus.Referring to Fig. 3, comprise the following steps.
31, the Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings in MTCUE arrowband descending transmission channel resource is by random access radio network temporary mark (RA-RNTI, Random Access Radio Network Temporary Identity) control information of scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.
Here, MTCUE arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said MTCUE arrowband descending transmission channel resource is system bandwidth, and described MTCUE arrowband descending transmission channel resource is identical with the shared symbolic number of system descending data channel resource in time domain.The transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
For example, public information in LTE system, as system (SIB, System Information Block) message, paging (paging) message and accidental access response (RAR, Random Access Response) message, be to be broadcast to all UE in community by eNB, comprise all MTC UE and all non-MTC UE.
When eNB identifies the MTC UE that certain UE is low expense (Low cost), the Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) with RA-RNTI scrambling of this MTC UE is distributed in the Physical Downlink Control Channel resource of some enhancings.Like this, MTC UE blind Detecting in the Physical Downlink Control Channel resource of whole a plurality of enhancings PDCCH of RA-RNTI scrambling, and attempt the Downlink Control Information in this PDCCH of decoding.In follow-up subframe, eNB is all distributed in the Downlink Control Information of all PDCCH of this MTC UE in the Physical Downlink Control Channel resource of enhancing at the PDCCH place with RA-RNTI scrambling successfully decoding.
32, so, in the Physical Downlink Control Channel resource of an enhancing at the described control information place that MTC UE measures in blind check, receive Downlink Control Information.Here, Downlink Control Information can be for the common control information of MTCUE or be the UE dedicated control information of MTC UE.
Or MTC UE is by the control information of carrying on blind Detecting control channel in the Physical Downlink Control Channel resource of the enhancing at the PDCCH place with RA-RNTI scrambling being successfully decoded.
In addition, when having system message to send, eNB divides adapted system information-Radio Network Temporary Identifier (SI-RNTI in the Physical Downlink Control Channel resource of whole a plurality of enhancings, System Information Radio Network Temporary Identity) PDCCH of scrambling, these are whole a plurality of with the Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel) with SI-RNTI scrambling in the PDCCH co-controlling MTC UE downstream data channel of SI-RNTI scrambling.
In addition, when having paging information to send, eNB divides adapted paging-Radio Network Temporary Identifier (P-RNTI in the Physical Downlink Control Channel resource of whole a plurality of enhancings, Paging Radio Network Temporary Identity) PDCCH of scrambling, these are whole a plurality of with the PDSCH with P-RNTI scrambling in the PDCCH co-controlling MTC UE downstream data channel of P-RNTI scrambling.
As mentioned above, physical down data channel resource of Physical Downlink Control Channel resource co-controlling due to whole a plurality of enhancings, therefore eNB only need send a SIB message or beep-page message, and does not need to send many parts of SIB message or beep-page message, can improve the spectrum efficiency of eating dishes without rice or wine thus.
As from the foregoing, the embodiment of the present invention can, under the not limited prerequisite of assurance MTC UE capacity, further reduce MTC UE Base-Band Processing complexity, thereby further reduce MTC UE base band expense.
The method of the transmission Downlink Control Information of eNB side correspondingly, is described below in conjunction with Fig. 4.Because the method for the transmission Downlink Control Information of eNB side is corresponding with the method for the transmission Downlink Control Information of MTC UE side, at this, will omit the content repeating.As shown in Figure 3, the method for the transmission Downlink Control Information of eNB side comprises the following steps.
41, in of the Physical Downlink Control Channel resource of a plurality of enhancings, eNB sends the Downlink Control Information with SI-RNTI or P-RNTI scrambling to MTC UE.
Or in the Physical Downlink Control Channel resource of an enhancing, eNB sends the Downlink Control Information with RA-RNTI scrambling to MTC UE, and eNB also sends UE dedicated control information to MTC UE in the Physical Downlink Control Channel resource of this enhancing.
Here, the Physical Downlink Control Channel resource of a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings, the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.Arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain, and the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
Therefore, the embodiment of the present invention can, under the not limited prerequisite of assurance MTC UE capacity, further reduce MTC UE Base-Band Processing complexity, thereby further reduce MTC UE base band expense.
As shown in Figure 5, the communicator 50 of configuration arrowband descending transmission channel can comprise the first dispensing unit 51 and the second dispensing unit 52.
Wherein, the first dispensing unit 51 is for dividing Yi Ge arrowband descending transmission channel resource in system descending data channel resource, so that MTC UE receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource.The second dispensing unit 52 is for being the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings by described arrowband descending transmission channel resource division, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.The part that the frequency domain bandwidth of arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.The transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
The communicator 50 that is appreciated that configuration arrowband descending transmission channel resource can be configured on MTC UE, also can be configured on eNB.MTC UE and eNB can utilize respectively method configuration arrowband descending transmission channel resource as shown in Figure 1.Or MTC UE and eNB can arrange to configure as shown in Figure 1 arrowband descending transmission channel resource by agreement.
Below in conjunction with Fig. 6 and Fig. 7, for example specifically describe, according to receiving the terminal equipment of Downlink Control Information, MTC UE in the MTC business of the embodiment of the present invention.
As shown in Figure 6, terminal equipment 60 comprises blind Detecting unit 61 and receiving element 62.Wherein, detecting unit 61 for the Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings in arrowband descending transmission channel resource by the control information of RA-RNTI scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.Here, arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that wherein frequency domain bandwidth of arrowband descending transmission channel resource is system bandwidth, and arrowband descending transmission channel resource is identical with the shared symbolic number of system descending data channel resource in time domain, and the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.Receiving element 62 receives Downlink Control Information for the Physical Downlink Control Channel resource of an enhancing at the described control information place that measures in blind check.
Therefore, the embodiment of the present invention can, under the not limited prerequisite of assurance MTC UE capacity, further reduce MTC UE Base-Band Processing complexity, thereby further reduce MTC UE base band expense.
In Fig. 7, the device 70 of transmission Downlink Control Information comprises the first transmitting element 71.Wherein, the first transmitting element 71, for the Physical Downlink Control Channel resource in a plurality of enhancings, sends the Downlink Control Information with SI-RNTI or P-RNTI scrambling to MTC UE.Here, the Physical Downlink Control Channel resource of a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.Arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain, and the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
Alternatively, the device 70 of transmission Downlink Control Information also can comprise the second transmitting element 72, for one of the Physical Downlink Control Channel resource in described a plurality of enhancings, uses the Downlink Control Information of RA-RNTI scrambling to MTC UE transmission.
Alternatively, the device 70 of transmission Downlink Control Information also can comprise the 3rd transmitting element 73, for the Physical Downlink Control Channel resource in an above-mentioned enhancing, to MTC UE, sends user equipment specific control information.
Therefore, the embodiment of the present invention can, under the not limited prerequisite of assurance MTC UE capacity, further reduce MTC UE Base-Band Processing complexity, thereby further reduce MTC UE base band expense.
Easily understand, above-mentioned terminal equipment 60 is realized the method shown in Fig. 3; The device 70 of transmission Downlink Control Information is realized the method shown in Fig. 4.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in Yi Ge unit two or more unit.
If described function usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by the described protection range with claim.
Claims (20)
1. a method that configures arrowband descending transmission channel resource, is characterized in that, comprising:
In system descending data channel resource, divide Yi Ge arrowband descending transmission channel resource, so that machine type communication subscriber equipment receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource;
By described arrowband descending transmission channel resource division, be the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.
2. method according to claim 1, it is characterized in that, the part that the frequency domain bandwidth of described arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.
3. method according to claim 1 and 2, is characterized in that, the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
4. a method that receives Downlink Control Information, is characterized in that, comprises
The Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings of machine type communication subscriber equipment in arrowband descending transmission channel resource is by the control information of random access radio network temporary mark scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings;
Described machine type communication subscriber equipment receives Downlink Control Information in blind check measures the Physical Downlink Control Channel region of enhancing at described control information place.
5. method according to claim 4, it is characterized in that, described arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.
6. according to the method described in claim 4 or 5, it is characterized in that, the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
7. a method of transmitting Downlink Control Information, is characterized in that, comprising:
In the Physical Downlink Control Channel resource of a plurality of enhancings, to machine type communication subscriber equipment, send the Downlink Control Information with system information Radio Network Temporary Identifier or the scrambling of pager wireless net network temporary mark,
The Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.
8. method according to claim 7, it is characterized in that, described arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain, and the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
9. according to the method described in claim 7 or 8, it is characterized in that, also comprise:
In of the Physical Downlink Control Channel resource of described a plurality of enhancings, to described machine type communication subscriber equipment, send the Downlink Control Information with the scrambling of random access radio network temporary mark.
10. method according to claim 9, is characterized in that, also comprises:
In the Physical Downlink Control Channel resource of a described enhancing, to described machine type communication subscriber equipment, send user equipment specific control information.
11. 1 kinds of communicators that configure arrowband descending transmission channel resource, is characterized in that, comprising:
The first dispensing unit, for dividing Yi Ge arrowband descending transmission channel resource in system descending data channel resource, so that machine type communication subscriber equipment receives Downlink Control Information or downlink data information by described arrowband descending transmission channel resource;
The second dispensing unit, for being the Physical Downlink Control Channel resource of a physical down data channel resource and a plurality of enhancings by described arrowband descending transmission channel resource division, a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of wherein said a plurality of enhancings.
12. communicators according to claim 11, it is characterized in that, the part that the frequency domain bandwidth of described arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.
13. according to the communicator described in claim 11 or 12, it is characterized in that, the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
14. 1 kinds of terminal equipments, is characterized in that, comprising:
Blind Detecting unit, be used for the Physical Downlink Control Channel resource blind Detecting of a plurality of enhancings of machine type communication subscriber equipment in arrowband descending transmission channel resource by the control information of random access radio network temporary mark scrambling, the Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form described arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings;
Receiving element, the Physical Downlink Control Channel resource of the enhancing at the described control information place measuring in blind check for described machine type communication subscriber equipment receives Downlink Control Information.
15. terminal equipments according to claim 14, it is characterized in that, described arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain.
16. according to the terminal equipment described in claims 14 or 15, it is characterized in that, the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
17. 1 kinds of devices that transmit Downlink Control Information, is characterized in that, comprising:
The first transmitting element, for the Physical Downlink Control Channel resource in described a plurality of enhancings, sends the Downlink Control Information with system information Radio Network Temporary Identifier or the scrambling of pager wireless net network temporary mark to machine type communication subscriber equipment,
The Physical Downlink Control Channel resource of wherein said a plurality of enhancings and a physical down data channel resource form arrowband descending transmission channel resource, and a physical down data channel resource described in the Physical Downlink Control Channel resource co-controlling of described a plurality of enhancings.
18. devices according to claim 17, it is characterized in that, described arrowband descending transmission channel resource is arranged in system descending data channel resource, the part that the frequency domain bandwidth of wherein said arrowband descending transmission channel resource is system bandwidth, and described arrowband descending transmission channel resource is identical with the shared symbolic number of described system descending data channel resource in time domain, and the transmission bandwidth of the Physical Downlink Control Channel resource strengthening described in each is at least 2 Physical Resource Block.
19. according to the device described in claim 17 or 18, it is characterized in that, also comprises:
The second transmitting element, for one of the Physical Downlink Control Channel resource in described a plurality of enhancings, uses the Downlink Control Information of random access radio network temporary mark scrambling to described machine type communication subscriber equipment transmission.
20. devices according to claim 19, is characterized in that, also comprise:
The 3rd transmitting element, for the Physical Downlink Control Channel resource in a described enhancing, sends user equipment specific control information to described machine type communication subscriber equipment.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197831.3A CN103517420B (en) | 2012-06-15 | 2012-06-15 | Resource is configured with receiving the method and terminal device of Downlink Control Information |
| EP13803952.4A EP2846594A4 (en) | 2012-06-15 | 2013-06-14 | Method and terminal device for configuring resources and receiving downlink control information |
| PCT/CN2013/077214 WO2013185624A1 (en) | 2012-06-15 | 2013-06-14 | Method and terminal device for configuring resources and receiving downlink control information |
| US14/570,086 US9900875B2 (en) | 2012-06-15 | 2014-12-15 | Method for configuring resource, method for receiving downlink control information, and terminal device |
Applications Claiming Priority (1)
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| CN201210197831.3A CN103517420B (en) | 2012-06-15 | 2012-06-15 | Resource is configured with receiving the method and terminal device of Downlink Control Information |
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| CN103517420A true CN103517420A (en) | 2014-01-15 |
| CN103517420B CN103517420B (en) | 2017-07-28 |
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| CN201210197831.3A Active CN103517420B (en) | 2012-06-15 | 2012-06-15 | Resource is configured with receiving the method and terminal device of Downlink Control Information |
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| US (1) | US9900875B2 (en) |
| EP (1) | EP2846594A4 (en) |
| CN (1) | CN103517420B (en) |
| WO (1) | WO2013185624A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| US9900875B2 (en) | 2018-02-20 |
| EP2846594A1 (en) | 2015-03-11 |
| CN103517420B (en) | 2017-07-28 |
| EP2846594A4 (en) | 2015-04-15 |
| WO2013185624A1 (en) | 2013-12-19 |
| US20150092735A1 (en) | 2015-04-02 |
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Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
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Effective date of registration: 20181218 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |